[U-Boot] Please help for Data TLB Error in MPC8544
Liu Dave-R63238
DaveLiu at freescale.com
Fri May 22 03:24:40 CEST 2009
> My board can't boot normally, and I found it just hang in
> data tlb error
> through the system.map.
> Could any one help for this?
> Some regisers are as below:
> ============================================
> DEAR: 0xf400fff0 (L1 init ram base address is 0xf4010000)
> IVPR : 0xfff80000 , IVPR3: 0x000004000
> EELADR: 0xf4010000 , CSn_BNDS: all 0x00000000 (I think SPD of
> DDR is not
> found yet)
> L2MMU_TLB0 : 84000000 51000000 ff7000000 ff7000000 (CCSR is
> not relocated to
> 0xe0000000 yet)
EELADR - 0XF4010000, it is INIT_RAM address, why the transaction
with address(0xF4010000) go to system bus?
It should keep in the cache due to cache lock, never out to system bus.
> ============================================
>
> The TLB1 registers from CodeWarrior is as below:
> =================================================
> L2MMU_CAM0 600007CA 1C080000 FFC00000 FFC000001 (boot flash, 4M)
> L2MMU_CAM1 A0007FCA 1C080000 80000000 800000001 (PCIE, 1G)
> L2MMU_CAM2 90003FCA 1C080000 C0000000 C00000001 (PCI, 256M)
> L2MMU_CAM3 90003FCA 1C080000 D0000000 D00000001 (PCI, 256M)
> L2MMU_CAM4 80001FCA 1C080000 E0000000 E00000001 (CCSR, 64M)
> L2MMU_CAM5 80001FCA 1C080000 F0000000 F00000001 (?? , 64M)
> L2MMU_CAM6 300000CA 18080000 FF040000 FF0400001 (NAND, 64K)
> L2MMU_CAM7 20000042 18080000 FF010000 FF0100001 (NAND, 16K)
> L2MMU_CAM8 20000042 18080000 FF050000 FF0500001 (NAND, 16K)
> L2MMU_CAM9 C87FD651 EB40000D 27DE6000 2397E000
> L2MMU_CAM10 D0E2E2DF EB680009 B494F000 8F634000
> L2MMU_CAM11 00FC8DCA 5A11000D BCB9B000 77EF6000
> L2MMU_CAM12 300000CA 18080000 FF000000 FF000001 (NAND, 64K)
> L2MMU_CAM13 D891AFD8 18180002 50A70000 F7AB6000
> L2MMU_CAM14 E0F6AE97 DA390009 F5DF6000 4F425000
> L2MMU_CAM15 D8EFEF88 C750000F AEBA7000 3229F000
> ===================================================
>
> And this is my init.s below:
> ==================================================================
> #include <ppc_asm.tmpl>
> #include <ppc_defs.h>
> #include <asm/cache.h>
> #include <asm/mmu.h>
> #include <config.h>
> #include <mpc85xx.h>
>
> #define LAWAR_TRGT_PCI1 0x00000000
> #define LAWAR_TRGT_PCIE1 0x00200000
> #define LAWAR_TRGT_PCIE2 0x00100000
> #define LAWAR_TRGT_PCIE3 0x00300000
> #define LAWAR_TRGT_LBC 0x00400000
> #define LAWAR_TRGT_DDR 0x00f00000
>
> #define entry_start \
> mflr r1 ; \
> bl 0f ;
>
> #define entry_end \
> 0: mflr r0 ; \
> mtlr r1 ; \
> blr ;
>
>
> .section .bootpg, "ax"
> .globl tlb1_entry
> tlb1_entry:
> entry_start
>
> /*
> * Number of TLB0 and TLB1 entries in the following table
> */
> .long (2f-1f)/16
> 1:
> /*
> * TLB0 4K Non-cacheable, guarded
> * 0xff700000 4K Initial CCSRBAR mapping
> *
> * This ends up at a TLB0 Index==0 entry, and must not collide
> * with other TLB0 Entries.
> */
> .long TLB1_MAS0(0, 0, 0)
> .long TLB1_MAS1(1, 0, 0, 0, 0)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT),
> 0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT),
> 0,0,0,0,0,1,0,1,0,1)
>
> /*
> * TLB0 16K Cacheable, guarded
> * Temporary Global data for initialization
> *
> * Use four 4K TLB0 entries. These entries must be cacheable
> * as they provide the bootstrap memory before the memory
> * controler and real memory have been configured.
> *
> * These entries end up at TLB0 Indicies 0x10, 0x14,
> 0x18 and 0x1c,
> * and must not collide with other TLB0 entries.
> */
> .long TLB1_MAS0(0, 0, 0)
> .long TLB1_MAS1(1, 0, 0, 0, 0)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),0,0,0,0,0,0,1,0)
> .long
> TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),0,0,0,0,0,1,0,1,0,1)
>
> .long TLB1_MAS0(0, 0, 0)
> .long TLB1_MAS1(1, 0, 0, 0, 0)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 *
> 1024),0,0,0,0,0,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 *
> 1024),0,0,0,0,0,1,0,1,0,1)
>
> .long TLB1_MAS0(0, 0, 0)
> .long TLB1_MAS1(1, 0, 0, 0, 0)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 *
> 1024),0,0,0,0,0,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 *
> 1024),0,0,0,0,0,1,0,1,0,1)
>
> .long TLB1_MAS0(0, 0, 0)
> .long TLB1_MAS1(1, 0, 0, 0, 0)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 *
> 1024),0,0,0,0,0,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 *
> 1024),0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 0: 4M Non-cacheable, guarded
> * 0xffc00000 4M Covers FLASH at 0xFFC00000
> * Out of reset this entry is only 4K.
> */
> .long TLB1_MAS0(1, 0, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_4M)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_BOOT_BLOCK), 0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_BOOT_BLOCK),
> 0,0,0,0,0,1,0,1,0,1)
>
> /*
> * TLB 1: 1G Non-cacheable, guarded
> * 0x80000000 1G PCIE 8,9,a,b
> */
> .long TLB1_MAS0(1, 1, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_PCIE_PHYS),0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_PCIE_PHYS),0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 2: 256M Non-cacheable, guarded
> */
> .long TLB1_MAS0(1, 2, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS),0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS),0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 3: 256M Non-cacheable, guarded
> */
> .long TLB1_MAS0(1, 3, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS +
> 0x10000000),0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS +
> 0x10000000),0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 4: 64M Non-cacheable, guarded
> * 0xe000_0000 1M CCSRBAR
> * 0xe100_0000 255M PCI IO range
> */
> .long TLB1_MAS0(1, 4, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
> .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 5: 64M Non-cacheable, non-guarded ,
> reserve from MPC8544DS (don't
> know what is it for)
> */
> .long TLB1_MAS0(1, 5, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
> .long TLB1_MAS2(E500_TLB_EPN(0xf0000000), 0,0,0,0,0,0,0,0)
> .long TLB1_MAS3(E500_TLB_RPN(0xf0000000), 0,0,0,0,0,1,0,1,0,1)
>
>
> /*
> * TLB 6: 64K Non-cacheable, guarded
> * 0xff040000 64K 1G NAND flash 2 area 1 0xff040000
> */
> .long TLB1_MAS0(1, 6, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64K)
> .long TLB1_MAS2(E500_TLB_EPN(0xff040000), 0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(0xff040000), 0,0,0,0,0,0,0,1,0,1)
>
>
> /*
> * TLB 7: 16K Non-cacheable, guarded
> * 0xff010000 16K 1G NAND flash 1 area 2 0xff010000
> */
> .long TLB1_MAS0(1, 7, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16K)
> .long TLB1_MAS2(E500_TLB_EPN(0xff010000), 0,0,0,0,0,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(0xff010000), 0,0,0,0,0,0,0,1,0,1)
>
>
> /*
> * TLB 8: 16K Non-cacheable, guarded
> * 0xff050000 16K 1G NAND flash 2 area 2 0xff050000
> */
> .long TLB1_MAS0(1, 8, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16K)
> .long TLB1_MAS2(E500_TLB_EPN(0xff050000), 0,0,0,0,0,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(0xff050000), 0,0,0,0,0,0,0,1,0,1)
>
>
> /*
> * TLB 12: 64K Non-cacheable, guarded
> * 0xff000000 64K 1G NAND flash 1 area 1 0xff000000
> */
> .long TLB1_MAS0(1, 12, 0)
> .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64K)
> .long TLB1_MAS2(E500_TLB_EPN(0xff000000), 0,0,0,0,1,0,1,0)
> .long TLB1_MAS3(E500_TLB_RPN(0xff000000), 0,0,0,0,0,0,0,1,0,1)
>
> 2:
> entry_end
>
> /*
> * LAW(Local Access Window) configuration:
> */
>
> .section .bootpg, "ax"
> .globl law_entry
> law_entry:
> entry_start
>
> .long (4f-3f)/8
> 3:
> .long 0
> .long LAWAR_EN | LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_1G)
>
> .long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff
> .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE &
> LAWAR_SIZE_512M)
>
> .long (CFG_PCI1_IO_PHYS>>12) & 0xfffff
> .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE &
> LAWAR_SIZE_64K)
>
> .long (0xf0000000>>12) & 0xfffff
> .long LAWAR_EN | LAWAR_TRGT_LBC | (LAWAR_SIZE &
> LAWAR_SIZE_256M)
>
> .long 0
> .long 0
>
> .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff
> .long LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE &
> LAWAR_SIZE_32G)
Why the PCIE1_IO have 32G space? It seems like one typo.
The u-boot version is very old, if you can post your start.S and
board.h,
It will be helpful.
Thanks, Dave
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